the GNU version of the Collaborative International Dictionary of English
v. To combine or charge with gas; usually with carbonic acid gas, formerly called fixed air.
v. To supply or impregnate with common air
v. To expose to the chemical action of air; to oxygenate (the blood) by respiration; to arterialize.
v. cause a change by passing air through (of sewage)
The Century Dictionary and Cyclopedia
To expose to the free action of the air.
To cause to mix with carbonic-acid or other gas.
In physiology, to change the circulating fluids of, as animals, by the agency of the air; arterialize.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
v. impregnate, combine, or supply with oxygen
v. expose to fresh air
v. aerate (sewage) so as to favor the growth of organisms that decompose organic matter
Word Usage
"• Mr. Stupak will take a liquid base, divide it into parts and freeze some, dehydrate some and " aerate " some by pumping air into it, looking for the most interesting texture."